Category Archives: Science

HORSESHOE CRABS DONATING BLOOD.

HORSESHOE CRABS DONATING BLOOD. Horseshoe crab blood is harvested in much the same way that human blood is donated. There is a good picture in Caren Chesler’s article (in the section captioned “The Catch”) of a row of horseshoes crabs … Continue reading

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HORSESHOE CRAB BLOOD.

HORSESHOE CRAB BLOOD. The kids loved the “critters” that are on the shore of Long Island Sound from when they were infants. They especially loved horseshoe crabs from the beginning, even at an age when some of their friends were … Continue reading

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MOSQUITOS AND EVIDENCE (COMMENT).

MOSQUITOS AND EVIDENCE (COMMENT). Nick commented here on my post of a couple days ago about a dead mosquito which was found in a stolen car that “I’d have to think a defense attorney would have a field day with … Continue reading

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HOW A COMPUTER CHOOSES ITS NEXT CHESS MOVE.

HOW A COMPUTER CHOOSES ITS NEXT CHESS MOVE. Nick sent me this article by Ethan Chiel at the Fusion site which shows how a computer chooses its chess moves. A man named Matt Wattenberg has developed a program which “visualizes … Continue reading

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OTHER APPLICATIONS OF FORENSIC ENTOMOLOGY.

OTHER APPLICATIONS OF FORENSIC ENTOMOLOGY. Wikipedia has quite a lot about forensic entomology, much which is devoted to somewhat gruesome determinations of the victim’s time of death based on the species of the insects that are infesting the corpse (the … Continue reading

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A MOSQUITO AND DNA.

A MOSQUITO AND DNA. I have posted previously about the intricacies of DNA evidence. This post tells about the search for the “Phantom Without a Face” and about the solution—months later—to the mystery. Annalisa just sent me this link to … Continue reading

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THERE’S A LOT OF SPACE DUST ON EARTH.

THERE’S A LOT OF SPACE DUST ON EARTH. The scope of the problem that Larson took on is shown by numbers. About 4000 tons of of dust land on earth each year—more than 10 tons a day. What Larsen was … Continue reading

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THE KEY TO FINDING SPACE DUST IS TO FIND OUT WHICH PARTICLES NOT TO PAY ATTENTION TO.

THE KEY TO FINDING SPACE DUST IS TO FIND OUT WHICH PARTICLES NOT TO PAY ATTENTION TO. I posted here at the beginning of this year about how a nonscientist, John Larsen, had collected about 500 micrometeorites from gutter sediment … Continue reading

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THE PROBLEM WAS THAT THE NATIONAL WEATHER SERVICE AVOIDED USING PROBABILITIES IN THEIR FORECASTS.

THE PROBLEM WAS THAT THE NATIONAL WEATHER SERVICE AVOIDED USING PROBABILITIES IN THEIR FORECASTS. Of course government agencies, including the National Weather Service, should keep the public up to date on what their models are predicting. But the cause of … Continue reading

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SHOULD THE NATIONAL WEATHER SERVICE PERSIST IN A WEATHER FORECAST THAT IT KNOWS IS WRONG?

SHOULD THE NATIONAL WEATHER SERVICE PERSIST IN A WEATHER FORECAST THAT IT KNOWS IS WRONG? The National Weather Service issued forecasts that New York City and other coastal cities would get 24 inches of snow on Tuesday March 14. On … Continue reading

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